blob: bbdba6fd3edff5e44b53135daf510a41304ec24c [file] [log] [blame]
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion A function value, or an instance of a class with a "call" method,
/// is a subtype of a function type, and as such, a subtype of Function.
/// @description Checks that function values are indeed subtypes of the
/// [Function] class.
/// @author rodionov
import "../../../Utils/expect.dart";
int foo(String s) {
return 21;
int foo1() => 1;
main() {
Expect.isTrue(foo is Function);
Expect.isTrue(foo1 is Function);
Expect.isTrue((int, double) { return 1; } is Function);
Expect.isTrue((() => 1) is Function);